ramips: provide default BLOCKSIZE for Device/seama

The Device/seama shared definition requires BLOCKSIZE, so it should
have a default value for this variable.

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ramips/image/Makefile

@@ -182,6 +182,7 @@ define Device/netgear_sercomm_nor
 endef
 
 define Device/seama
+  BLOCKSIZE := 64k
   SEAMA_MTDBLOCK := 2
   IMAGES += factory.bin
 

target/linux/ramips/image/mt7621.mk

@@ -360,7 +360,6 @@ TARGET_DEVICES += dlink_dir-853-r1
 define Device/dlink_dir-860l-b1
   $(Device/dsa-migration)
   $(Device/seama)
-  BLOCKSIZE := 64k
   SEAMA_SIGNATURE := wrgac13_dlink.2013gui_dir860lb
   LOADER_TYPE := bin
   KERNEL := kernel-bin | append-dtb | lzma | loader-kernel | relocate-kernel | \

target/linux/ramips/image/rt3883.mk

@@ -97,7 +97,6 @@ TARGET_DEVICES += omnima_hpm
 define Device/samsung_cy-swr1100
   $(Device/seama)
   SOC := rt3662
-  BLOCKSIZE := 64k
   IMAGE_SIZE := 7872k
   KERNEL := $(KERNEL_DTB)
   SEAMA_SIGNATURE := wrgnd10_samsung_ss815